Sulphur Wyckoff R W G Crystal Structures 1 (1963) 7-83 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011255 10.467 12.870 24.493 90 90 90 *Fddd .125 .125 .125 atom x y z S1 .8554 .9526 .9516 S2 .7844 .0301 .0763 S3 .7069 .9795 .0040 S4 .7862 .9073 .1290